标签：bin resolve 0.20 192.168 abc ssh root id
报错详情如下：
[root@ceshi .ssh]# which ssh-copy-id
/usr/bin/which: no ssh-copy-id in (/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin)
[root@ceshi ~]# ssh-copy-id-i.ssh/id_rsa root@192.168.0.20
-bash: ssh-copy-id-i.ssh/id_rsa: 没有那个文件或目录
使用yum install openssh-clients 安装命令
有的系统没有此命令 有的系统缺省 就包含这一条命令！
但是我的测试机没有发现此命令 只能这样安装！
这时有报错了
[root@ceshi .ssh]# ssh-copy-id -i ./id_rsa root@192.168.0.20
ssh: Could not resolve hostname ./id_rsa: Name or service not known
这是因为没有解析主机名
[root@puttet ~]# hostname
abc
[root@ceshi .ssh]# vi /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.0.19 ceshi
192.168.0.20 abc
[root@ceshi .ssh]# ping abc
PING abc (192.168.0.20) 56(84) bytes of data.
64 bytes from abc (192.168.0.20): icmp_seq=1 ttl=64 time=0.322 ms
64 bytes from abc (192.168.0.20): icmp_seq=2 ttl=64 time=0.270 ms
^C
--- abc ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1300ms
rtt min/avg/max/mdev = 0.270/0.296/0.322/0.026 ms
这样就可以了
[root@ceshi .ssh]# ssh-copy-id -i ./id_rsa.pub root@192.168.0.20
The authenticity of host '192.168.0.20 (192.168.0.20)' can't be established.
RSA key fingerprint is 7b:a4:ae:42:50:8b:27:82:1c:dc:66:a9:5a:cb:67:a2.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.0.20' (RSA) to the list of known hosts.
root@192.168.0.20's password:
Now try logging into the machine, with "ssh 'root@192.168.0.20'", and check in:
.ssh/authorized_keys
to make sure we haven't added extra keys that you weren't expecting.
ok 可以使用了！
[root@puttet ~]# cd .ssh/authorized_keys
标签：bin,resolve,0.20,192.168,abc,ssh,root,id 来源： https://blog.csdn.net/zhouchuan152/article/details/95870934
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